Remarks on Communications
Observe the following guidelines for radio communications:
1. General rules
All stations are forbidden to carry out;
• unnecessary communications
• the transmission of profane language, and
• the transmission of signals without identification.
2. Avoid interference
All stations are forbidden to carry out;
• the transmission of superfluous signals and correspondence, and
• the transmission of false or misleading signals.
All stations shall radiate minimum power necessary to ensure a satisfactory communication.
3. Secrecy of communications
All administrations bind themselves to take the necessary measures to prohibit and prevent;
• the unauthorized interception of radio communications not intended for the general use of
the public, and
• the divulgence of the contents, simple disclosure of the existence, publication or any use
whatsoever, without authorization of information of any nature whatever obtained by the
interception of the radio communications.
4. Radio log book
Vessels complying with Part2 of the Merchant Shipping (Radio Installations) Regulations
1992, namely those vessels operating under GMDSS, have a requirement under regulation 17
(1) that a Radio Log of matters specified in Schedule 3 of the Regulations shall be maintained
and made available for inspection. The matters specified, to include the time of their occur-
rence, are:
a) a summary of communications relating to distress, urgency and safety traffic;
b) a record of important incidents connected with the radio service, and
c) where appropriate, the position of the ship at least once a day.
Part 2
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